Levomefolate sodium (L-5-MTHF sodium) is a dietary supplement that can be used to study megaloblastic anemia and neurological disorders.

Antioxidant peptide A is a short peptide, which contains alternative aromatic or sulfur-containing amino acid.

Argireline a synthetic peptide which is patterned from the N-terminal end of the protein SNAP-25 can both reduce the degree of existing facial wrinkles and demonstrate effectively against their development.